Staring down to the ground from about 20 feet up in the air was nerve-wracking, to say the least. My palms were sweating, and the person holding my ropes (and my very life) on the other end was just as beginner as me. I was deep in the throes of Fight Gravity 1, and I was learning on the spot how to navigate the scaling of a wall. A climbing gym in Culver City, Rockreation......